diff --git a/lib/placement b/lib/placement
index e7ffe33..4cc5cd8 100644
--- a/lib/placement
+++ b/lib/placement
@@ -100,7 +100,7 @@
 
 function configure_placement_nova_compute {
     iniset $NOVA_CONF placement auth_type "password"
-    iniset $NOVA_CONF placement auth_url "$KEYSTONE_SERVICE_PROTOCOL://$KEYSTONE_SERVICE_HOST:$KEYSTONE_AUTH_PORT/v3"
+    iniset $NOVA_CONF placement auth_url "$KEYSTONE_SERVICE_URI/v3"
     iniset $NOVA_CONF placement username placement
     iniset $NOVA_CONF placement password "$SERVICE_PASSWORD"
     iniset $NOVA_CONF placement user_domain_name "$SERVICE_DOMAIN_NAME"